US7687570B2ActiveUtilityPatentIndex 54

Thermosetting resin material

Assignee: AKEBONO BRAKE INDPriority: Jun 22, 2007Filed: Jun 20, 2008Granted: Mar 30, 2010

Est. expiryJun 22, 2027(~1 yrs left)· nominal 20-yr term from priority

Inventors:KURIHARA SHOU IDEI HIROSHI AOYAGI YOSHIHIRO OKUMURA NAEKO

C08L 61/34C08L 65/00

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Claims

Abstract

A thermosetting resin material is provided with: (A) a thermosetting resin having a dihydrobenzoxazine ring; and (B) a condensed polycyclic aromatic hydrocarbon resin is described.

Claims

exact text as granted — not AI-modified

1. A thermosetting resin material comprising:
 (A) a thermosetting resin having a dihydrobenzoxazine ring; and 
 (B) a condensed polycyclic aromatic hydrocarbon resin. 
 
     
     
       2. The thermosetting resin material according to  claim 1 , wherein the condensed polycyclic aromatic hydrocarbon resin of component (B) comprises a thermosetting resin having a phenolic nucleus in the molecule. 
     
     
       3. The thermosetting resin material according to  claim 1 , wherein a ratio of contents of component (A) and component (B) is from 80/20 to 50/50 in a mass ratio. 
     
     
       4. The thermosetting resin material according to  claim 1 , further comprising:
 (C) a filler treated with an organic compound. 
 
     
     
       5. The thermosetting resin material according to  claim 4 , wherein the filler treated with an organic compound of component (C) is mixed in the reaction process at the time of manufacture of the thermosetting resin of component (A).

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